DUST SYSTEM REPAINMAN WAS USING AN AIR LANCE PIPE ON THE 8TH FLOOR DUST COLLECTOR IN NORTH LIME LOADOUT TO OPEN A PLUGGED DISCHARGE HOPPER. AT APPROX 8:30 AM, A SUDDEN BLAST OF QUIKLIME FLEW U P INTO HIS FACE AND LIME WENT UNDER HIS SAFETY GLASSES CAUSING BOTH EYES TO RECEIVE CHEMICAL BURNS. HE WENT TO THE LAB FIRST AID STATION IMMEDIATELY & MEDICAL TREATMENT THE SAME MORNING.